Key to the Ecological Roles of FungiThis key can tell you what ecological role a fungus plays in its environment, whether a parasite, a saprobe (decayer of dead material), or a mycorrhizal mutualist with trees. This is a nontechnical key that requires no scientific knowledge to use.

Key to the Boletes of the Chicago RegionUse this to identify mushrooms belonging to the boletes (fleshy fungi with pores under the cap instead of gills). A few species require a microscope to identify, but most are fairly easy without any technical knowledge.